1) "if it's been around that long, why hasn't it caught on with more people? is there a problem with it?" 2) "if I face a problem with it, will the author help

1) "if it's been around that long, why hasn't it caught on with more people? is there a problem with it?" 2) "if I face a problem with it, will the author help me debug it for fix it?" 3) "if the last changes to this software were made X years ago, how does it apply the number of industry practices and techniques that have been developed since then?"